Last 7 days
Today
22° / 15° High / Low (°C)
96% Humidity
40% Rain probability
Thunderstorm Condition
What this means
In Montreal on 21 Jun 2026, rain is possible: 40% chance, up to 0.0 mm forecast (source: Open-Meteo).
Rain is possible today but not certain — 40% chance of a thunderstorm. Carrying something compact is reasonable.
Rain season
Montreal gets precipitation year-round, with summer (June–August) the wettest season for convective thunderstorms. Annual totals reach around 1,000mm including snowmelt. Winters are long and cold with substantial snow — around 220cm annually. Freezing rain events in autumn and spring are the most disruptive weather, coating roads and power lines in ice.